var arr = [[1, 2, 3], [4, 5, 6]]
var target = []
var tempArr = []
var obj = {}
var obj1 = {}

for (var i = 0; i < arr.length; i++) {
  obj[i] = arr[i]
}
console.log(obj)

for (var j = 0; j < arr[0].length; j++) {
  for (var l = 0; l < obj[0] - 1; l++) {
    console.log(l)
    tempArr = obj[l].toString()
    console.log(tempArr)
    tempArr.toString()
    console.log(tempArr)
    
  }
}
